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The German hyperinflation of 1923 had severe socio-economic and political consequences for the stability of the Weimar Republic. Economically, the value of the Papiermark rapidly plummeted over the course...

The trick with this question is noticing the hidden quadratic as quartic equations are unsolvable at A-level.

Letting u=x^2 the question becomes u^2+2u-3=0 which most students would be able to solv...

Organic material accumulates in an area of fast plant growth and anaerobic conditons (which stops the vegetation decaying), such as a tropical delta, the organic material is buried which leads to increase...

An introduction to any history essay that is asking you to asses or evaluate and argument or interpretation should being with your personal standpoint and argument being outlined without using the first p...

Example.

" Solve the simultaneous equations

y + 4x + 1 = 0

y^2 + 5x^2 + 2x = 0 "

We can rearrange the first equation to something that we can substitute into the seco...